163412438 has 8 divisors (see below), whose sum is σ = 280135632. Its totient is φ = 70033896.

The previous prime is 163412399. The next prime is 163412441. The reversal of 163412438 is 834214361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5836145 + ... + 5836172.

It is an arithmetic number, because the mean of its divisors is an integer number (35016954).

Almost surely, 2^163412438 is an apocalyptic number.

163412438 is a deficient number, since it is larger than the sum of its proper divisors (116723194).

163412438 is a wasteful number, since it uses less digits than its factorization.

163412438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11672326.

The product of its digits is 13824, while the sum is 32.

The square root of 163412438 is about 12783.2874488529. The cubic root of 163412438 is about 546.7158982200.

Adding to 163412438 its reverse (834214361), we get a palindrome (997626799).

The spelling of 163412438 in words is "one hundred sixty-three million, four hundred twelve thousand, four hundred thirty-eight".